function smb_AjaxRequest(url, method, params, callbackSuccess, callbackError) {
    $.ajax({
        url : url,
        type : method,
        data : params,
        async : true,
        timeout : 10000,
        error : function(xmlReq, textStatus, errorThrown) {
            smb_WriteLog("Request-Error", xmlReq, true);
            if (callbackError)
                callbackError();
        },
        success : function(data) {
            smb_WriteLog("Request-Success", data, true);
            if (callbackSuccess)
                callbackSuccess(data);
        }
    });
}